<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .card{
            position: absolute;
            right: 0;
            bottom: 200px;
        }
        .card .item{
            width: 82px;
            height: 90px;
            background-color: #fff;
            border: 1px solid #f5f5f5;
        }
        .card .item .icon{
            width: 30px;
            height: 30px;
            margin: 18px auto 8px;
        }
        .card .item .nohover{
            width: 100%;
            height: 100%;
            display: block;
        }
        .card .item:hover .nohover{
            display: none;
        }
        .card .item:hover .hover{
            display: block;
        }
        .card .item .hover{
            width: 100%;
            height: 100%;
            display: none;
        }
        .card .item .text{
            font-size: 14px;
            line-height: 16px;
            height: 16px;
            color: #757575;
            text-align: center;
        }
        .card .item:hover .nohover{
            display: none;
        }
        .card .item:hover .hover{
            display: block;
        }
        .card .item:hover .text{
            color: #ff6700;
        }
        .card .item .pop-content{
            display: none;
            position: absolute;
            /* 参照物宽度的 1.1倍 */
            right: 110%;
            top: 0;
            padding: 14px;
            border: 1px solid #f5f5f5;
        }
        .card .item .pop-content img{
            display: block;
            width: 100px;
            height: 100px;
            margin: 6px auto;
        }
        .card .item .pop-content .desc{
            width: 82px;
            margin: 14px auto 0;
            font-size: 14px;
            line-height: 21px;
            color: #757575;
        }
        .card .item:hover .pop-content{
            display: block;
        }
    </style>
</head>
<body>
    <div class="card">
        <div class="item">
            <div class="icon">
                <img class="nohover" src="img/1org.png" alt="">
                <img class="hover" src="img/1hover.png" alt="">
            </div>
            <div class="text">手机</div>
        </div>
        <div class="item">
            <div class="icon">
                <img class="nohover" src="img/2org.png" alt="">
                <img class="hover" src="img/2hover.png" alt="">
            </div>
            <div class="text">个人</div>
            <div class="pop-content">
                <img src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/78c30d4f259ed43ab20e810a522a6249.png" alt="">
                <div class="desc">
                    扫码领取新人百元礼包
                </div>
            </div>
        </div>
        <div class="item">
            <div class="icon">
                <img class="nohover" src="img/3org.png" alt="">
                <img class="hover" src="img/3hover.png" alt="">
            </div>
            <div class="text">人工</div>
        </div>
        <div class="item">
            <div class="icon">
                <img class="nohover" src="img/4org.png" alt="">
                <img class="hover" src="img/4hover.png" alt="">
            </div>
            <div class="text">购物</div>
        </div>
    </div>
</body>
</html>